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Illumos #3956, #3957, #3958, #3959, #3960, #3961, #3962

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3956 ::vdev -r should work with pipelines
3957 ztest should update the cachefile before killing itself
3958 multiple scans can lead to partial resilvering
3959 ddt entries are not always resilvered
3960 dsl_scan can skip over dedup-ed blocks if physical birth != logical birth
3961 freed gang blocks are not resilvered and can cause pool to suspend
3962 ztest should print out zfs debug buffer before exiting
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

References:
  https://www.illumos.org/issues/3956
  https://www.illumos.org/issues/3957
  https://www.illumos.org/issues/3958
  https://www.illumos.org/issues/3959
  https://www.illumos.org/issues/3960
  https://www.illumos.org/issues/3961
  https://www.illumos.org/issues/3962
  illumos/illumos-gate@b4952e17e8

Ported-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>

Porting notes:

1. zfs_dbgmsg_print() is only used in userland. Since we do not have
   mdb on Linux, it does not make sense to make it available in the
   kernel. This means that a build failure will occur if any future
   kernel patch depends on it. However, that is unlikely given that
   this functionality was added to support zdb.

2. zfs_dbgmsg_print() is only invoked for -VVV or greater log levels.
   This preserves the existing behavior of minimal noise when running
   with -V, and -VV.

3. In vdev_config_generate() the call to nvlist_alloc() was not
   changed to fnvlist_alloc() because we must pass KM_PUSHPAGE in
   the txg_sync context.
This commit is contained in:
George Wilson
2013-08-07 12:16:22 -08:00
committed by Brian Behlendorf
parent 621dd7bb2c
commit 5d1f7fb647
11 changed files with 233 additions and 95 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/spa.c
+3 -8
View File
@@ -4509,7 +4509,7 @@ spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing)
}
/* mark the device being resilvered */
newvd->vdev_resilvering = B_TRUE;
newvd->vdev_resilver_txg = txg;
/*
* If the parent is not a mirror, or if we're replacing, insert the new
@@ -5370,13 +5370,6 @@ spa_vdev_resilver_done_hunt(vdev_t *vd)
return (oldvd);
}
if (vd->vdev_resilvering && vdev_dtl_empty(vd, DTL_MISSING) &&
vdev_dtl_empty(vd, DTL_OUTAGE)) {
ASSERT(vd->vdev_ops->vdev_op_leaf);
vd->vdev_resilvering = B_FALSE;
vdev_config_dirty(vd->vdev_top);
}
/*
* Check for a completed replacement. We always consider the first
* vdev in the list to be the oldest vdev, and the last one to be
@@ -5466,6 +5459,8 @@ spa_vdev_resilver_done(spa_t *spa)
ASSERT(pvd->vdev_ops == &vdev_replacing_ops);
sguid = ppvd->vdev_child[1]->vdev_guid;
}
ASSERT(vd->vdev_resilver_txg == 0 || !vdev_dtl_required(vd));
spa_config_exit(spa, SCL_ALL, FTAG);
if (spa_vdev_detach(spa, guid, pguid, B_TRUE) != 0)
return;